1 files changed, 63 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/acpi.h b/qemu/roms/ipxe/src/include/ipxe/acpi.h
new file mode 100644
index 000000000..282b6d92d
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/acpi.h
@@ -0,0 +1,63 @@
+#ifndef _IPXE_ACPI_H
+#define _IPXE_ACPI_H
+
+/** @file
+ *
+ * ACPI data structures
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/interface.h>
+
+/**
+ * An ACPI description header
+ *
+ * This is the structure common to the start of all ACPI system
+ * description tables.
+ */
+struct acpi_description_header {
+	/** ACPI signature (4 ASCII characters) */
+	uint32_t signature;
+	/** Length of table, in bytes, including header */
+	uint32_t length;
+	/** ACPI Specification minor version number */
+	uint8_t revision;
+	/** To make sum of entire table == 0 */
+	uint8_t checksum;
+	/** OEM identification */
+	char oem_id[6];
+	/** OEM table identification */
+	char oem_table_id[8];
+	/** OEM revision number */
+	uint32_t oem_revision;
+	/** ASL compiler vendor ID */
+	char asl_compiler_id[4];
+	/** ASL compiler revision number */
+	uint32_t asl_compiler_revision;
+} __attribute__ (( packed ));
+
+/**
+ * Build ACPI signature
+ *
+ * @v a			First character of ACPI signature
+ * @v b			Second character of ACPI signature
+ * @v c			Third character of ACPI signature
+ * @v d			Fourth character of ACPI signature
+ * @ret signature	ACPI signature
+ */
+#define ACPI_SIGNATURE( a, b, c, d ) \
+	( ( (a) << 0 ) | ( (b) << 8 ) | ( (c) << 16 ) | ( (d) << 24 ) )
+
+extern int acpi_describe ( struct interface *interface,
+			   struct acpi_description_header *acpi, size_t len );
+#define acpi_describe_TYPE( object_type )				\
+	typeof ( int ( object_type,					\
+		       struct acpi_description_header *acpi,		\
+		       size_t len ) )
+
+extern void acpi_fix_checksum ( struct acpi_description_header *acpi );
+
+#endif /* _IPXE_ACPI_H */